Operational amplifier driven power amplifier

Details Operational amplifier driven power amplifier Operational amplifier driven power amplifier

1989-10-10

1990-11-27

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330264, H03F 345

Patent

active

049739166

ABSTRACT:
A power amplifier system measures the amount of power supplied to the voltage supply pins of an operational amplifier, and supplies a proportional amount thereof to drive power amplifiers. A comprehensive system analyzer is used to protect the circuit and the load against power excesses.

REFERENCES:
patent: 3818361 (1974-06-01), Gonda
patent: 3919655 (1975-11-01), Crandall
patent: 4483016 (1984-11-01), Hochstein et al.
patent: 4555672 (1985-11-01), Segal
Machuka, "A 40W HI-FI Amplifier with VMOS Transistors for HI-FI Enthusiasts", Funkschau, vol. 52, No. 21, Oct. 10, 1980, pp. 330-255.

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